WO2004028983A1 - Procede de traitement d'eaux usees organiques - Google Patents

Procede de traitement d'eaux usees organiques Download PDF

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Publication number
WO2004028983A1
WO2004028983A1 PCT/CN2002/000682 CN0200682W WO2004028983A1 WO 2004028983 A1 WO2004028983 A1 WO 2004028983A1 CN 0200682 W CN0200682 W CN 0200682W WO 2004028983 A1 WO2004028983 A1 WO 2004028983A1
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Prior art keywords
bms
treatment
tank
enters
wastewater
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PCT/CN2002/000682
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English (en)
French (fr)
Inventor
Kunyuan Song
Fang Yan
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Shanghai Gi Biotechnology Engineering Co., Ltd.
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Application filed by Shanghai Gi Biotechnology Engineering Co., Ltd. filed Critical Shanghai Gi Biotechnology Engineering Co., Ltd.
Priority to AU2002338128A priority Critical patent/AU2002338128A1/en
Priority to PCT/CN2002/000682 priority patent/WO2004028983A1/zh
Priority to CNB028296826A priority patent/CN1328192C/zh
Publication of WO2004028983A1 publication Critical patent/WO2004028983A1/zh

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    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/10—Biological treatment of water, waste water, or sewage

Definitions

  • the invention relates to a method for treating organic wastewater, and more particularly to a method for comprehensively treating high-concentration organic wastewater containing a high concentration of suspended solids (SS).
  • SS suspended solids
  • the conventional treatment methods for high-concentration organic wastewater with high suspended matter concentration are coagulation sedimentation or coagulation air flotation as the primary treatment, and anaerobic (aerobic) and aerobic (AO) methods are used as the secondary treatment.
  • Conventional processing methods. Existing problems are as follows: (1) Primary treatment 1 The equipment of solid-liquid separation method is mechanized and the integration process is low. The solid-liquid separation effect and treatment method rely on physical methods. 2 The power consumption and the dosage of pharmaceuticals are large, and the effective utilization rate is low. (2) Secondary treatment 1 The process is cumbersome, the management is complicated, abnormal phenomena are prone to occur during operation, the sludge treatment capacity is large, and the treatment system residence time is long. 2 Large area, high investment and operating costs. 3 There is an unusual smell during the treatment, and the environmental sanitation conditions are poor.
  • the purpose of the present invention is to provide a comprehensive wastewater treatment method with high system automation, simple management, small floor area, low investment and operating costs, high treatment efficiency, and particularly suitable for high-concentration organic industrial wastewater with high suspended matter concentration. .
  • a comprehensive treatment method for high-concentration organic wastewater including primary treatment and secondary treatment. It is characterized in that the primary treatment uses a high-efficiency solid-phase material blocking device, and the secondary treatment is a physicochemical treatment technology (referred to as SUN-SEP) that oxidizes coagulation and hydroxyl radicals and a multi-bacterial sludge-free biological treatment wastewater technology (referred to as BMS).
  • SUN-SEP physicochemical treatment technology
  • BMS multi-bacterial sludge-free biological treatment wastewater technology
  • the high-concentration organic waste water treatment process is as follows: The high-concentration organic waste water first enters the high-efficiency solid phase loading device, intercepts the impurities and enters the SUN-SEP stage, and finally is treated by BMS to produce water.
  • FIG. 1 is a schematic diagram of a BMS system according to the present invention. Confirm this FIG. 2 shows the removal efficiency of various COD sewage by the BMS system of the present invention. detailed description
  • the invention provides a comprehensive treatment method for high-concentration organic waste water, including the steps of: firstly entering the organic waste water into a high-efficiency solid-phase matter holding device, intercepting impurities, and entering a coagulation and hydroxyl radical oxidation physical-chemical treatment (sun-sep) In this stage, the water is finally discharged after being processed by the BMS.
  • the high-concentration organic waste water first passes through a gravity continuous conveyor belt filter, and the high-concentration organic waste water contains a large number of large particles of suspended solids and floats, and some suspended solids are trapped.
  • the retentate is collected by the solid-phase automatic collection device and then enters the solid-phase collection tank.
  • the wastewater is filtered and intercepted and then enters the BMS biological oxidation regulating tank.
  • the steps of the SUN-SEP treatment process are as follows: The effluent from the BMS biological oxidation control tank is pumped into the SUN-SEP wastewater treatment device to produce coagulation air flotation, chemical oxidation of OH-hydroxyl radicals, and solid phase scum produced by air flotation.
  • the processing steps are:
  • Fermentation tank The effluent of SUN-SEP enters the fermentation tank, and the cultured BMS multi-flora microorganisms are used to reduce BOD and COD in the water;
  • Decomposition tank The effluent from the fermentation tank enters the decomposition tank, and the BMS multi-flora microorganisms are further used to decompose and destroy the fermentation substances and general harmful bacteria;
  • Digestion tank The effluent from the decomposition tank enters the digestion tank. By adjusting and cultivating a large number of cocci in the BMS multi-organism microorganisms, it digests and digests various decay compounds and bacilli;
  • Outflow pond After the effluent from the digester enters the outflow pond, it is discharged after further aeration and biochemical treatment.
  • BMS systems are included in the fermentation tank, decomposition tank, digestion tank and / or effluent tank in the BMS process.
  • BMS system is Best- Microorganism- System, which is mainly composed of (a) porous carrier and (b) multi-flora microorganisms coexisting on the porous carrier.
  • a particularly preferred BMS system also contains; and (c) a microbubble supply device (see Figure 1).
  • Porous carrier mainly composed of (a) porous carrier and (b) multi-flora microorganisms coexisting on the porous carrier.
  • a particularly preferred BMS system also contains; and (c) a microbubble supply device (see Figure 1).
  • the preferred porous carrier of the present invention is a wooden carrier, in which components that are liable to cause spoilage have been removed, but cellulose, lignin and pentosan components remain.
  • the porosity of the present invention is 75-85%, and when placed in water, it can be semi-suspended in water, thereby increasing the gas, liquid, and solid three-phase contact areas.
  • the wooden carrier of the present invention has pores of different sizes and depths, thereby forming a certain degree of anaerobic, facultative and aerobic regions, thereby providing suitable growth environments for different types of microorganisms.
  • a multifamily microorganism is an aggregate composed of a variety of bacteria, which contains microorganisms selected from the group consisting of photosynthetic bacteria, lactic acid bacteria, yeasts, actinomycetes, and the like.
  • the microorganisms that can be used in the present invention are not particularly limited, and may be any bacteria that decompose and use various pollutants such as organic substances, sulfides, nitrogen oxides, and organic phosphorus in sewage.
  • photosynthetic bacteria are mainly used to break down low fatty acids and aromatic compounds
  • lactic acid bacteria mainly break down proteins and substances such as glucose, lactic acid, acetic acid, and propionic acid
  • yeasts are mainly excellent for high-concentration organic wastewater Effect
  • Actinomycetes mainly degrade a variety of organic substances including aromatic compounds.
  • microorganisms include, but are not limited to: ammonium bacteria, nitrifying bacteria, denitrifying bacteria used to eliminate NH 3 ; sulfur sulfide bacteria (such as Thiobacillus), filamentous sulfur bacteria (such as Bayesian) Sulfur bacteria, sulfur-producing bacteria), photosynthetic sulfur bacteria (such as green sulfur bacteria, red sulfur bacteria); ammoniating bacteria (such as Bacillus), nitrifying bacteria, denitrifying bacteria, phosphorus bacteria (such as sand Lectobacillus). These microorganisms can be commonly used in the field, and can also be obtained by conventional methods from environments such as garbage dumps and wastewater treatment plants. Micro bubble supply equipment
  • the micro-bubble supply device is located under the wooden carrier to provide oxygen for the multi-flora microorganisms.
  • the air supply tube of the micro-bubble supply device has many fine pores (preferably "I" pores), and the cross section of the pores has a certain slope, so that the micro-bubbles are not only small and dense, but also can be automatically covered to prevent blockage when the air supply is stopped. .
  • the BMS system reactor simulates the natural environment ecosystem, and there is a long food composed of many kinds of microorganisms. Thing chain.
  • the BMS flora residing in the carrier is usually dormant. When exposed to wastewater and biological aids, the flora quickly changed from dormant to active. Organic matter in the wastewater is adsorbed to the bacteria within a short time (about 10-30 minutes), and the soluble matter penetrates directly into the cells. The nutrients entering the cell are converted into simple inorganic substances such as carbon dioxide and water by a series of biochemical reactions under the action of intracellular enzymes. At the same time energy is generated.
  • Microorganisms use the energy released by the breath and the intermediate products produced during the oxidation process to synthesize cellular material, so that the bacteria multiply in large numbers. Microorganisms continuously carry out biological oxidation, and organic matter in the environment is continuously reduced, so that sewage is purified.
  • the BMS system used in the present invention has the following main features;
  • D BMS system simulates the natural ecological environment. Its purification process and flow principle are different from traditional biological treatment processes.
  • the BMS system can not only rapidly decompose organic substances, suppress and eliminate the generation of odors such as hydrogen sulfide, ammonia gas, but also make the entire process No excess sludge is discharged.
  • the BMS biological treatment system is different from the traditional biological treatment method.
  • the system has neither the clogging phenomenon of the traditional biofilm method nor the sludge swelling phenomenon of the traditional activated sludge method; oxygen transfer efficiency, oxygen utilization ratio, treatment efficiency, Biomass, activity, economics and other indicators are significantly better than traditional biological treatment methods; the system has high-efficiency nitrogen and phosphorus removal and deodorization effects that traditional biological treatment methods cannot replace.
  • the wooden carrier of the present invention is different from the currently used biological carriers.
  • the carrier has a moderate specific gravity within the carrier and forms an ecological system of biological species with a reasonable number distribution.
  • An efficient micro-aeration system with self-resistance can not only generate uniform fine bubbles, but also not block, and provide a sufficient oxygen source for the microbial flora.
  • the water-gas ratio of the treatment system is about 1 / 3-1 / 2 of traditional biological treatment, with low energy consumption and high oxygen utilization rate.
  • the micro-bubble supply equipment provides the best conditions for the growth and reproduction of microorganisms.
  • the first-stage treatment adopts a solid-phase matter retention device with advanced technology and high degree of automation, which has high interception efficiency and low moisture content of the solid-phase matter, and can eliminate the primary sedimentation equipment and solid-phase matter in the traditional processing system;
  • the investment and operating cost of the treatment system are low;
  • the adjustment tank has unique functions and strong operating flexibility, and has a strong ability to mitigate the impact of water quality and water volume.
  • the facultative adjustment of the biochemical effects of special bacteria in the pond can effectively suppress and remove the primary treatment. Stink.
  • the BMS biological treatment system has no residual sludge discharge, so there is no need to set up residual sludge in the whole process Sludge treatment plant.
  • the processing technology is advanced, the operation is stable and reliable, and the processing efficiency is high.
  • the BMS biological treatment system uses advanced biological treatment technology, specially cultivated biological populations, and special research and development of three-phase fluidized bioreactors, so that the system treatment effect, especially the nitrogen and phosphorus removal effect is significantly better than traditional biological treatment methods
  • the use of excellent aeration technology, the resulting ultra-fine bubbles make the system have higher oxygen transfer efficiency and oxygen utilization rate, reducing system energy consumption.
  • the BMS biological treatment system operates stably without sludge swelling or sludge clogging during traditional biological treatment.
  • a comprehensive treatment method for high-concentration organic wastewater including primary treatment and secondary treatment.
  • the primary treatment adopts a high-efficiency solid-phase material blocking device as a gravity continuous conveyor belt filter.
  • the secondary treatment is a physical and chemical treatment technology (SU-SEP) that oxidizes coagulation and hydroxyl radicals and a multi-bacterial sludge-free biological treatment. Sewage technology (BMS for short).
  • the high-concentration organic wastewater treatment process is as follows: The high-concentration organic wastewater first enters the gravity continuous conveyor filter, intercepts the impurities and enters the SUN-SEP stage, and finally is treated by BMS to produce water.
  • High-concentration organic wastewater first passes through a gravity continuous conveyor belt filter.
  • the high-concentration organic wastewater contains a large number of larger particles of suspended matter and floating matter, and most of the suspended matter is trapped.
  • the trapped matter is collected by the solid-phase automatic collection device and enters the solid state.
  • the phase material collection tank the sewage is filtered and intercepted and then enters the BMS conditioning tank for balanced water quality.
  • the solid scum generated by air flotation is collected by the automatic slag scraping system and enters the solid phase collection tank.
  • the water from the SUN-SEP system enters the BMS system.
  • the biological oxidation tank is composed of four compartments, where # 1, # 2, # 3, and # 4 are three-phase fluidized biological contact oxidation tanks formed by special bacteria groups, which are called BMS fermentation tanks, BMS decomposition tanks, and BMS digestion. Pool, BMS out of the pool.
  • Packing and efficient micro-aeration tube are installed in each cell.
  • the design of the aeration volume makes the anaerobic, facultative, and aerobic zones with different proportions in the pond, and forms the process of A / A / 0, which can effectively improve the system's ability to resist water shock load and organic shock load.
  • the BMS fermentation tank uses special media to establish different ecological environments, allowing multiple bacterial groups to coexist, harmful bacteria and viruses cannot survive and die in large numbers. Toxic and odorous substances are broken down by special bacteria, and microbial fermentation reduces BOD and COD in water. .
  • the BMS decomposition tank further uses BMS multi-flora microorganisms to establish a special environment, where fermented substances and general harmful bacteria are decomposed and eliminated.
  • the BMS digestion tank adjusts and cultivates a large number of cocci, and swallows and digests various rots and bacilli, so it does not produce sludge.
  • the easily degradable organic matter and the organic matter with long biodegradation time are quickly and effectively decomposed into stable inorganic matter. This process is odorless, tasteless, and no sludge is generated.
  • the sewage passes through # 1, # 2, and # 3 repeatedly.
  • biochemical treatment of A / A / O organic matter is rapidly decomposed and removed; H 2 S, NH 3 -N and other odor-prone substances are decomposed by special bacteria to produce N 2 and other substances.
  • the effluent of the digester is pretreated with # 4 for bleed, and further aerated with biochemical treatment to strictly control the quality of the discharged water and improve the system's ability to adapt to load changes.
  • the system uses gravity flow, and the outlet pool is discharged after being slightly aerated, and the effluent reaches the discharge standard. It can be used for farmland irrigation, greening water, and road flushing water.

Description

一种有机废水的处理方法 技术领域
本发明涉及一种有机废水污水处理方法， 特别涉及一种含悬浮物 (SS)浓度高 的高浓度有机废水综合处理方法。 背景技术
目前含悬浮物浓度较高的高浓度有机废水常采用的常规处理方法为混凝沉降 或混凝气浮作为一级处理， 厌氧（兼氧） 、 好氧 （AO)法作为二级处理的常规处 理方法。 存在的问题有： （一） 一级处理①固液分离方法设备机械化、 一体化程 低，固液分离效果及处理方法依靠物理方法处理效果一般。②动力消耗及药剂投药 量大， 有效利用率低。 （二） 二级处理①工艺烦琐， 管理复杂， 运行中易出现异 常现象， 污泥处理量大， 处理系统停留时间长。 ②占地面积大， 投资及运行成本 高。 ③处理过程有异臭， 环境卫生条件差。
本领域迫切需要开发新的占地面积小， 处理效率高的高浓度有机工业废水的 污水综合处理方法。 发明内容
本发明的目的在于提供一种系统自动化程度高， 管理简单， 占地面积小， 投 资及运行成本较低， 处理效率高， 尤其适合含悬浮物浓度高的高浓度有机工业废 水的污水综合处理方法。
本发明的目的是这样实现的： 一种高浓度有机废水的综合处理方法， 包括一 级处理和二级处理。 其特征在于一级处理采用高效固相物拦载装置， 二级处理是 将混凝加羟自由基氧化的物化处理技术（简称 SUN-SEP)与多菌群无污泥生物处 理污水技术（简称 BMS)相结合。 高浓度有机废水的处理流程是： 高浓度有机废 水首先进入高效固相物拦载装置， 截取杂质后进入 SUN-SEP阶段， 最后由 BMS 处理后出水。 附图说明
图 1为本发明 BMS系统的示意图。 确认本 图 2为本发明 BMS系统对各种不同 COD污水的去除效率。 具体实施方式
本发明提供了一种高浓度有机废水的综合处理方法， 包括步骤： 将有机废水 首先进入高效固相物拦载装置， 截取杂质后进入混凝加羟自由基氧化的物化处理 ( SUN-SEP) 阶段， 最后由 BMS处理后出水。
在优选例中， 高浓度有机废水首先经过重力连续输送带滤机， 高浓度有机废 水中含有大量较大颗粒的悬浮物和漂浮物以及部分悬浮物被截留。 截留物经固相 物自动收集装置收集后进入固相物收集池，废水经过滤截流后进入 BMS生物氧化 调节池。 SUN-SEP处理步骤是： BMS生物氧化调节池出水用泵提升进入 SUN— SEP废水处理装置， 产生混凝气浮， OH-羟自由基的化学氧化过程，气浮产生的固 相物浮渣经自动刮渣系统收集后进入固相物收集池。 SUN-SEP出水依次进入 BMS 生物氧化池的四格分池， 池内均装填料和高效微曝气管。 处理步骤是：
a、 发酵池： SUN-SEP出水进入发酵池， 利用培养的 BMS多菌群微生物， 降 低水中的 BOD和 COD;
b、 分解池： 发酵池出水进入分解池， 进一步利用 BMS多菌群微生物， 分解 消灭发酵物质及一般有害菌类；
c、 消化池： 分解池出水进入消化池， 通过调节培养 BMS多菌群微生物中的 大量球菌， 吞食消化各种腐化物及杆菌；
d、 出水池： 消化池出水进入出水池后， 进一步曝气生化处理后排放。
BMS系统
在 BMS处理中的发酵池、 分解池、 消化池和 /或出水池中都含有 BMS系统。
BMS系统即 Best— Microorganism- System, 它主要由（a)多孔载体、 （b)共生共存 于多孔载体上多菌群微生物构成。一种特别优选的 BMS系统还含有；和（c)微气泡 供给设备 (见图 1)。 多孔载体
本发明优选的多孔载体是木质载体， 其中已经去除了易造成腐败的成分， 但 保留纤维素、 木质素及戊聚糖成分。 本发明的空隙度为 75-85 %， 当放置在水中 时， 可半悬浮在水中， 从而增加气、 液、 固三相接触面积。
此外， 本发明的木质载体具有大小和深浅不一的孔隙， 从而形成一定程度的 厌氧区、 兼氧区及好氧区， 从而为不同类型的微生物提供合适的生长环境。 多菌群微生物
共生共存于多孔载体上多菌群微生物是一个由多种菌群构成的集合体， 其中 含有选自以下的微生物： 光合细菌、 乳酸菌、 酵母菌、 放线菌等。
可用于本发明的微生物没有特别限制， 可以是任何具有分解、 利用污水中有 机物、 硫化物、 氮氧化物、 有机磷等各种污染物的细菌。 就上述主要的几类微生 物而言， 光合细菌主要用于分解低脂肪酸、 芳香族化合物； 乳酸菌主要分解蛋白 质以及葡萄糖、 乳酸、 醋酸、 丙酸等物质； 酵母菌主要对高浓度有机废水有极好 的效果； 放线菌主要降解包括芳香族化合物在内的多种有机物。
代表性的微生物例子包括但并不限于： 用于消除 NH3的氨化菌、 硝化菌、 反 硝化菌； 用于消除硫化物的硫化细菌（如硫杆菌）、 丝状硫磺细菌 (如贝氏硫细菌、 发硫菌）、 光合硫细菌（如绿硫细菌、 红硫细菌）； 用于脱氮除磷的氨化菌（如芽孢 杆菌）、硝化菌、 反硝化菌、磷细菌（如沙雷氏菌）。 这些微生物可以是在本领域的 常用的微生物种类， 也可以用常规方法从垃圾堆放场以及废水处理厂等环境下分 离获得。 微气泡供给设备
微气泡供给设备位于木质载体的下方， 为多菌群微生物提供氧气。
微气泡供给设备的供气管上有许多细小的孔隙 (优选为 " I 型"孔）， 且孔的 横断面有一定斜度， 从而微气泡不仅细小密集， 而且停止供气时可自动覆盖防止 阻塞。
BMS 系统反应器模拟自然环境生态系统，存在由许多种微生物构成的较长食 物链。宿居于载体的 BMS菌群平时处于休眠状态。当接触废水及生物助剂时，菌群 很快由休眠状态转向活跃状态。 废水中有机物质在很短时间 〈约 10-30分钟〉 内 被吸附到菌体上，可溶性物质直接透入细胞内。进入细胞内的营养物质在细胞内酶 的作用下，经一系列生化反应，使有机物转化为二氧化碳和水等简单无机物。 同时 产生能量。 微生物利用呼吸放出的能量和氧化过程中产生的中间产物合成细胞物 质，使菌体大量繁殖。微生物不断进行生物氧化，环境中有机物不断减少，使污水得 到净化。
本发明所用的 BMS系统具有以下主要特点；
(D BMS 系统模拟自然生态环境，其净化过程及流程原理有别于传统生物处理 工艺， BMS系统不仅可以快速分解有机物，抑制和消除硫化氢、氨气等异臭的产生， 而且可使整个过程无剩余污泥排出。
(2) BMS 生物处理系统不同于传统的生物处理方法，系统既无传统生物膜法的 堵塞现象； 也无传统活性污泥法的污泥膨胀现象； 氧转移效率、 氧利用率、 处理 效率、生物数量及活性,经济性等指标明显优于传统的生物处理方法；系统具有传 统生物处理法无法替代的高效脱氮除磷作用，除异臭作用。
(3)本发明的木质载体，不同于目前常用的生物载体，载体内比重适中，形成生 物种类，数量分布合理的生态体系。
(4)有自抗阻的高效微曝气系统，不但能产生均匀的细微气泡，同时不会发生 堵塞，为微生物菌群提供了充实的氧源。 处理体系水气比约为传统生物处理的 1/3-1/2， 能耗小，氧利用率高。
(5)微气泡供给设备为微生物的生长及繁殖提供了最佳的条件。
(6)设备处理效率高 (COD 去除效率见图 2)，占地面积小，投资成本低，一体化 程度高。 本发明的有益效果是： 一级处理采用技术先进、 自动化程度高的固相物截留 装置， 拦截效率高， 固相物含水率低， 可省去传统处理系统中的初沉设备， 固相 物处理系统投资及运行成本低； 调节池功能独特， 操作灵活性强， 有较强的缓解 水质水量冲击的能力， 兼性调节池中特殊菌群的生化作用可有效抑制和去除一级 处理中的异臭。 BMS生物处理系统无剩余污泥排出， 故整套工艺无需设置剩余污 泥处理装置。 处理工艺技术先进， 运行稳定可靠， 处理效率高。 BMS生物处理系 统采用先进的生物处理技术， 特殊培养的生物种群， 以及特殊研究开发的三相流 化生物反应器， 使系统处理效果， 特别是脱氮除磷效果明显优于传统的生物处理 方法； 采用优异的充气技术， 产生的超微气泡使系统有较高的氧转移效率和氧利 用率， 降低系统的能耗。 BMS生物处理系统运行稳定， 不会发生传统生物处理过 程中污泥膨胀或污泥堵塞等现象， 操作管理方便、 无需设置专人管理， 电耗省， 运行成本低廉 （是传统生物处理成本的 1/3 ) 。 采用本发明技术， 经过反复论证， 实际运行试验后， 证明该项组合技术对处 理高浓度有机废水是最佳的， 其处理效果及投资成本， 明显低于传统处理方法。 工艺处理过程无臭无味， 环境卫生条件好， 传统生物处理无法相比。 工艺流程设 备流程紧凑， 一体化程度高， 占地面积小。 实施例：
一种高浓度有机废水的综合处理方法， 包括一级处理和二级处理。 一级处理 采用高效固相物拦载装置为重力连续输送带滤机， 二级处理是将混凝加羟自由基 氧化的物化处理技术（简称 SU -SEP)与多菌群无污泥生物处理污水技术（简称 BMS ) 相结合。 高浓度有机废水的处理流程是： 高浓度有机废水首先进入重力连 续输送带滤机， 截取杂质后进入 SUN-SEP阶段， 最后由 BMS处理后出水。
高浓度有机废水首先经过重力连续输送带滤机， 高浓度有机废水中含有大量 较大颗粒的悬浮物和漂浮物以及大部分悬浮物被截留， 截留物经固相物自动收集 装置收集后进入固相物收集池， 污水经过滤截流后进入 BMS调节池均衡水质水 里。
BMS调节池出水用泵提升进入 SUN-SEP污水处理装置，通过混凝气浮， ΟΪΓ 羟自由基的化学氧化， COD可从 lOOOOmg丄-1左右降至 SOO-lSOOmg.L-1左右。 气 浮产生的固相物浮渣经自动刮渣系统收集后进入固相物收集池。 SUN-SEP系统出 水进入 BMS系统。 BMS系统中生物氧化池有四格组成， 其中 #1、 #2、 #3、 #4为 特殊菌群形成的三相流化生物接触氧化池，称为 BMS发酵池、 BMS分解池、 BMS 消化池、 BMS出水池。 各池内装填料和高效微曝气管， 通过曝气管位置的设定和 曝气量的设计， 使池内产生不同比例的厌氧、兼氧、好氧区， 形成 A/A/0的过程， 可有效提高系统抗水流冲击负荷和有机冲击负荷的能力。 BMS发酵池利用特殊介 质建立不同的生态环境， 让多种菌群共生共存， 有害细菌、 病毒无法生存而大量 死亡， 有毒易产生气味的物质被特殊菌种分解， 微生物发酵， 降低水中 BOD和 COD。 BMS分解池进一步利用 BMS多菌群微生物， 建立特殊环境， 发酵物质及 一般有害菌类在此被分解消灭。 BMS消化池， 通过调节培养大量球菌， 吞食消化 各种腐化物及杆菌， 故不产生污泥。 通过以上三个生化池， 易降解有机物及生物 降解时间长的有机物被迅速有效分解成稳定的无机物质， 该过程， 无臭无味， 没 有污泥产生， 污水经过 #1、 #2、 #3反复的 A/A/O的生化处理过程， 有机物被迅速 分解去除； H2S、 NH3-N等易产生异臭的物质被特殊菌分解生成 N2等物质。 消化 池出水经 #4进行放流预处理， 进一步曝气生化处理， 以严格控制排放水质和提高 系统对负荷变化的适应能力。 系统采用重力流， 出水池微曝气后排放， 出水达到 排放标准， 可用于农田灌溉， 绿化用水， 道路冲洗用水。

Claims

权 利 要 求
1、一种高浓度有机废水的综合处理方法， 包括一级处理和二级处理， 其特征 在于一级处理采用高效固相物拦载装置， 二级处理是将混凝加羟自由基氧化的物 化处理技术 （简称 SUN-SEP ) 与多菌群无污泥生物处理污水技术 （简称 BMS ) 相结合， 高浓度有机废水的处理流程是： 高浓度有机废水首先进入高效固相物拦 载装置， 截取杂质后进入 SUN-SEP阶段， 最后由 BMS处理后出水。
2、根据权利要求 1所述的综合处理方法，其特征在于所述的高效固相物拦载 装置为重力连续输送带滤机， 高浓度有机废水首先经过重力连续输送带滤机， 高 浓度有机废水中含有大量较大颗粒的悬浮物和漂浮物以及部分悬浮物被截留， 截 留物经固相物自动收集装置收集后进入固相物收集池， 废水经过滤截流后进入
BMS调节池水池。
3、 根据权利要求 1所述的综合处理方法， 其特征在于所述的 SUN— SEP处 理步骤是： BMS调节池水池出水用泵提升进入 SUN— SEP废水处理装置， 通过混 凝气浮、 OH-羟自由基的化学氧化反应过程， 污染物质得以去除， 气浮产生的固 相物浮渣经自动刮渣系统收集后进入固相物收集池。
4、 根据权利要求 1所述的综合处理方法， 其特征在于 SUN-SEP出水依次进 入 BMS生物氧化池的四格分池， 池内均装填料和高效微曝气管，
处理步骤是：
a、 发酵池： SUN— SEP出水进入发酵池， 利用培养的 BMS多菌群微生物菌 群， 降解水中的 BOD和 COD；
b、 分解池： 发酵池出水进入分解池， 进一步利用 BMS多菌群微生物， 分解 消灭发酵物质及一般有害菌类；
c、 消化池： 分解池出水进入消化池， 通过调节培养 BMS多菌群微生物中的 大量球菌， 吞食消化各种腐化物及杆菌；
d、 出水池： 消化池出水进入出水池后， 进一步曝气生化处理后排放。
5、 如权利要求 4所述的综合处理方法， 其特征在于， 所述的 BMS处理中的 发酵池、 分解池、 消化池和 /或出水池含有 BMS系统， 该系统包括（a)多孔载体、 (b)共生共存于多孔载体上多菌群微生物。
6、如权利要求 5所述的综合处理方法， 其特征在于， 所述的 BMS系统还包括 (C)微气泡供给设备。
7、如权利要求 5所述的综合处理方法， 其特征在于， 所述的多孔载体为木质 载体， 空隙度为 75-85 %， 且放置在水中时， 可半悬浮在水中。
8、如权利要求 5所述的综合处理方法， 其特征在于， 所述的共生共存于多孔 载体上多菌群微生物含有以下微生物： 光合细菌、 乳酸菌、 酵母菌、 放线菌。
PCT/CN2002/000682 2002-09-27 2002-09-27 Procede de traitement d'eaux usees organiques WO2004028983A1 (fr)

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